<script setup>
import { getParkInfoAPI } from '@/api/park'
import { ref, onMounted } from 'vue'
import * as echarts from 'echarts';

// 获取数据
// 声明响应式的数据
const parkInfo = ref({});
//封装方法
const getPaekInfo = async () => {
    await getParkInfoAPI().then(res => {
        parkInfo.value = res.data;
    })
}

// 渲染柱状图
// 1.导入echart包
// 2.获取要渲染的dom元素（准备好了宽高，并且已经渲染到了dom元素中）
// 3.把dom元素传入到echart.init()，获取echats实例
// 4.准备渲染echats的配置项
// 5.把配置项传入个echarts实例
const barChart = ref(null);
const initBatChart = () => {
    const myChart = echarts.init(barChart.value);
    const parkIncome = parkInfo.value.parkIncome;
    var option;
    option = {
        tooltip: {
            trigger: 'axis',
            axisPointer: {
                type: 'shadow'
            }
        },
        grid: {
            top: '10px',
            left: '0px',
            right: '0px',
            bottom: '0px',
            containLabel: true,
        },
        xAxis: [
            {
                type: 'category',
                axisTick: {
                    alignWithLabel: true,
                    show: false,
                },
                data: parkIncome.xMounth
            }
        ],
        yAxis: [
            {
                type: 'value',
                splitLine: {
                    show: false,
                },
            },
        ],
        series: [
            {
                name: '园区年度收入',
                type: 'bar',
                barWidth: '10px',
                data: parkIncome.yIncome.map((item, index) => {
                    const color =
                        index % 2 === 0
                            ? new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                                { offset: 0.23, color: '#74c0f8' },
                                { offset: 1, color: 'rgba(116,192,248,0.00)' },
                            ])
                            : new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                                { offset: 0.23, color: '#ff7152' },
                                { offset: 1, color: 'rgba(255,113,82,0.00)' },
                            ])
                    return { value: item, itemStyle: { color } }
                }),
            },
        ],
        textStyle: {
            color: '#B4C0CC',
        },
    };
    myChart.setOption(option);
}

//渲染饼状图
const pieChart = ref(null);
const initPieChart = () => {
    const myPieChart = echarts.init(pieChart.value);
    const parkIndustry = parkInfo.value.parkIndustry;
    var pieOption = {
        color: [
            '#00B2FF', '#2CF2FF', '#892CFF', '#FF624D', '#FFCF54', '#86ECA2'],
        legend: {
            itemGap: 20,
            bottom: '0',
            icon: 'rect',
            itemHeight: 10, // 图例icon高度
            itemWidth: 10, // 图例icon宽度
            textStyle: {
                color: '#c6d1db',
            },
        },
        tooltip: {
            trigger: 'item'
        },
        series: [
            {
                name: '园区产业分析',
                type: 'pie',
                radius: ['55%', '60%'], // 设置内圈与外圈的半径使其呈现为环形
                center: ['50%', '40%'], // 圆心位置， 用于调整整个图的位置
                tooltip: {
                    trigger: 'item',
                    formatter: (params) => {
                        return `${params.seriesName}</br><div style='display:flex;justify-content: space-between;'><div>${params.marker}${params.name}</div><div>${params.percent}%</div></div>`
                    }
                },
                label: {
                    show: false,
                    position: 'center',
                },
                data: parkIndustry,
            },
        ],

    }
    myPieChart.setOption(pieOption);
}


onMounted(async () => {
    await getPaekInfo();
    initBatChart();
    initPieChart();
})


</script>

<template>
    <div class="all-charts">
        <!-- 园区概况 -->
        <div class="section-one">
            <img class="img-header"
                src="https://yjy-teach-oss.oss-cn-beijing.aliyuncs.com/smartPark/%E5%A4%A7%E5%B1%8F%E5%88%87%E5%9B%BE/%E5%9B%AD%E5%8C%BA%E6%A6%82%E5%86%B5%402x.png"
                alt="" />
            <div class="icons-container">
                <div class="item">
                    <div class="icons-item building-icon">
                        <span class="number">
                            {{ parkInfo.base?.buildingTotal }}
                        </span>
                    </div>
                    <span class="title">楼宇总数</span>
                    <span class="unity">（栋）</span>
                </div>
                <div class="item">
                    <div class="icons-item enterprise-icon">
                        <span class="number">
                            {{ parkInfo.base?.enterpriseTotal }}
                        </span>
                    </div>
                    <span class="title">入驻企业总数</span>
                    <span class="unity">（家）</span>
                </div>
                <div class="item">
                    <div class="icons-item car-icon">
                        <span class="number">
                            {{ parkInfo.base?.parkingTotal }}
                        </span>
                    </div>
                    <span class="title">车位总数</span>
                    <span class="unity">（个）</span>
                </div>
                <div class="item">
                    <div class="icons-item rod-icon">
                        <span class="number">
                            {{ parkInfo.base?.chargePoleTotal }}
                        </span>
                    </div>
                    <span class="title">一体杆总数</span>
                    <span class="unity">（个）</span>
                </div>
            </div>
        </div>
        <!-- 园区年度收入分析 -->
        <div class="section-two">
            <img class="img-header"
                src="https://yjy-teach-oss.oss-cn-beijing.aliyuncs.com/smartPark/%E5%A4%A7%E5%B1%8F%E5%88%87%E5%9B%BE/%E5%9B%AD%E5%8C%BA%E5%B9%B4%E5%BA%A6%E6%94%B6%E5%85%A5%E5%88%86%E6%9E%90%402x.png"
                alt="" />
            <div class="bar-chart-titile">
                <span>单位：元</span>
                <div>
                    <span class="bar-icon blue-bar-icon"></span>
                    <span class="bar-icon red-bar-icon"></span>
                    收入情况
                </div>
            </div>
            <div class="bar-chart" ref="barChart"></div>
        </div>
        <!-- 园区产业分布 -->
        <div class="section-three">
            <img class="img-header"
                src="https://yjy-teach-oss.oss-cn-beijing.aliyuncs.com/smartPark/%E5%A4%A7%E5%B1%8F%E5%88%87%E5%9B%BE/%E5%9B%AD%E5%8C%BA%E4%BA%A7%E4%B8%9A%E5%88%86%E5%B8%83%402x.png"
                alt="" />
            <div class="pie-chart" ref="pieChart"></div>
        </div>
    </div>
</template>

<style lang="scss" scoped>
.all-charts {
    position: absolute;
    top: 0;
    left: 0;
    width: 480px;
    height: 100vh;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(to left, rgba(0, 6, 15, 0.00) 0%, rgba(0, 6, 15, 0.00) 20%, rgba(0, 0, 0, 0.40) 30%, rgba(0, 0, 0, 0.60) 40%, rgba(1, 4, 11, 1) 70%, #04070d 100%);

    .img-header {
        height: 30px;
    }
}

.section-one {
    flex-basis: 25%;

    .icons-container {
        display: flex;
        justify-content: space-between;
        padding: 20px 0;

        .item {
            text-align: center;
            display: flex;
            flex-direction: column;
            flex: 1;

            .icons-item {
                height: 80px;
                position: relative;

                .number {
                    position: absolute;
                    left: 50%;
                    transform: translateX(-50%);
                    font-size: 18px;
                    font-family: FontquanXinYiGuanHeiTi, FontquanXinYiGuanHeiTi-Regular;
                    color: #ffffff;
                }
            }

            .building-icon {
                background: url('@/assets/building-icon.png') no-repeat 50% 0 / contain;
            }

            .enterprise-icon {
                background: url('@/assets/enterprise-icon.png') no-repeat 50% 0 / contain;
            }

            .rod-icon {
                background: url('@/assets/rod-icon.png') no-repeat 50% 0 / contain;
            }

            .car-icon {
                background: url('@/assets/car-icon.png') no-repeat 50% 0 / contain;
            }

            .title,
            .unity {
                font-size: 14px;
                color: #cdd7e1;
            }

            .title {
                margin-top: 8px;
            }
        }
    }
}

.section-two {
    flex-basis: 35%;
    margin-top: 50px;

    .bar-chart {
        width: 100%;
        height: calc(100% - 90px);
    }
}

.section-two {
    flex-basis: 35%;
    .bar-chart {
      width: 100%;
      height: calc(100% - 90px);
    }
  }
  .section-three {
    flex-basis: 40%;

    .pie-chart {
      position: relative;
      margin: 0 auto;
      padding-bottom: 20px;
      width: 80%;
      height: calc(100% - 40px);
    }
  }
</style>